{"id":"https://openalex.org/W4221140135","doi":"https://doi.org/10.1109/twc.2023.3266411","title":"A New Analytical Approximation of the Fluid Antenna System Channel","display_name":"A New Analytical Approximation of the Fluid Antenna System Channel","publication_year":2023,"publication_date":"2023-04-17","ids":{"openalex":"https://openalex.org/W4221140135","doi":"https://doi.org/10.1109/twc.2023.3266411"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2023.3266411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3266411","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2203.09318","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062649413","display_name":"Malek Khammassi","orcid":"https://orcid.org/0000-0001-9493-9905"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Malek Khammassi","raw_affiliation_strings":["Electrical Engineering Program, Ecole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne, Lausanne, Switzerland"],"raw_orcid":"https://orcid.org/0000-0001-9493-9905","affiliations":[{"raw_affiliation_string":"Electrical Engineering Program, Ecole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006716265","display_name":"Abla Kammoun","orcid":"https://orcid.org/0000-0002-0195-3159"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Abla Kammoun","raw_affiliation_strings":["Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0002-0195-3159","affiliations":[{"raw_affiliation_string":"Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0003-4827-1793","affiliations":[{"raw_affiliation_string":"Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5062649413"],"corresponding_institution_ids":["https://openalex.org/I5124864"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0011919,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":"12","first_page":"8843","last_page":"8858"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.14749999344348907,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.14749999344348907,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.06440000236034393,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10246","display_name":"Mobile Ad Hoc Networks","score":0.0478999987244606,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6538451910018921},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.6116522550582886},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5696871280670166},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.522206723690033},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.45055440068244934},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4495566487312317},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.43503010272979736},{"id":"https://openalex.org/keywords/outage-probability","display_name":"Outage probability","score":0.42765161395072937},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.4255704879760742},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.4221528470516205},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.38361290097236633},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.37725430727005005},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3362452983856201},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33459773659706116},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.29705554246902466},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2960737645626068},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.2089473009109497}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6538451910018921},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.6116522550582886},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5696871280670166},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.522206723690033},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.45055440068244934},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4495566487312317},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.43503010272979736},{"id":"https://openalex.org/C2778258436","wikidata":"https://www.wikidata.org/wiki/Q30672262","display_name":"Outage probability","level":4,"score":0.42765161395072937},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.4255704879760742},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.4221528470516205},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.38361290097236633},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.37725430727005005},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3362452983856201},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33459773659706116},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29705554246902466},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2960737645626068},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.2089473009109497},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/twc.2023.3266411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2023.3266411","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2203.09318","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2203.09318","pdf_url":"https://arxiv.org/pdf/2203.09318","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:infoscience.epfl.ch:309705","is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/206299","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"WoS","raw_type":"research article"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/691918","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/691918","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"doi:10.48550/arxiv.2203.09318","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2203.09318","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2203.09318","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2203.09318","pdf_url":"https://arxiv.org/pdf/2203.09318","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322320","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W2046423908","https://openalex.org/W2051951526","https://openalex.org/W2053874740","https://openalex.org/W2073196023","https://openalex.org/W2078179989","https://openalex.org/W2106325446","https://openalex.org/W2106809303","https://openalex.org/W2111007288","https://openalex.org/W2131566996","https://openalex.org/W2134868944","https://openalex.org/W2139332942","https://openalex.org/W2144022674","https://openalex.org/W2147072043","https://openalex.org/W2168825220","https://openalex.org/W2327817444","https://openalex.org/W2768299214","https://openalex.org/W2913023405","https://openalex.org/W2922148583","https://openalex.org/W2996973493","https://openalex.org/W3039758053","https://openalex.org/W3107232831","https://openalex.org/W4206671696","https://openalex.org/W4213288133","https://openalex.org/W4249365614","https://openalex.org/W4286247400","https://openalex.org/W4366147759"],"related_works":["https://openalex.org/W1167735","https://openalex.org/W2455923","https://openalex.org/W826483","https://openalex.org/W3709876","https://openalex.org/W10238373","https://openalex.org/W13646629","https://openalex.org/W12791606","https://openalex.org/W15874310","https://openalex.org/W10470919","https://openalex.org/W534850"],"abstract_inverted_index":{"Fluid":[0],"antenna":[1,25,196],"systems":[2],"(FAS)":[3],"are":[4],"an":[5],"emerging":[6],"technology":[7],"that":[8,53],"promises":[9],"a":[10,22,27,44,145,161,166,188],"significant":[11],"diversity":[12],"gain":[13,164,190],"even":[14],"in":[15,26,40,117,131,144,183],"the":[16,34,41,50,59,67,78,81,92,99,105,126,132,138,155,175,185,193],"smallest":[17],"spaces.":[18],"It":[19],"consists":[20],"of":[21,49,58,61,128,134,154],"freely":[23],"moving":[24],"small":[28],"linear":[29],"space":[30],"to":[31,55,102,180,192],"pick":[32],"up":[33],"strongest":[35],"received":[36],"signal.":[37],"Previous":[38],"works":[39],"literature":[42],"provide":[43],"simple":[45],"yet":[46],"insightful":[47],"parameterization":[48],"FAS":[51,82,106,156,186],"channel":[52,72,100,107,157],"leads":[54],"single-integral":[56],"expressions":[57],"probability":[60,133],"outage":[62,135],"and":[63,159],"various":[64],"insights":[65],"on":[66,91],"achievable":[68],"performance.":[69],"Nevertheless,":[70],"this":[71],"model":[73,101,158],"may":[74],"not":[75],"accurately":[76,103],"capture":[77],"correlation":[79,169],"between":[80],"ports,":[83],"given":[84],"by":[85,94],"Jake\u2019s":[86],"model.":[87,170],"This":[88],"work":[89,173],"builds":[90],"state-of-the-art":[93],"incorporating":[95],"more":[96,167],"parameters":[97],"into":[98],"approximate":[104],"distribution":[108],"while":[109,137],"maintaining":[110],"analytical":[111],"tractability.":[112],"The":[113,120],"approximation":[114,123,141],"is":[115],"performed":[116],"two":[118],"stages.":[119],"first":[121],"stage":[122,140],"considerably":[124],"reduces":[125],"number":[127],"multi-fold":[129],"integrals":[130],"expression,":[136],"second":[139],"represents":[142],"it":[143],"single":[146],"integral":[147],"form.":[148],"Numerical":[149],"results":[150],"validate":[151],"our":[152,172],"approximations":[153],"demonstrate":[160],"limited":[162],"performance":[163,189],"under":[165],"accurate":[168],"Further,":[171],"opens":[174],"door":[176],"for":[177],"future":[178],"research":[179],"investigate":[181],"scenarios":[182],"which":[184],"provides":[187],"compared":[191],"current":[194],"multiple":[195],"solutions.":[197]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2022-04-03T00:00:00"}
